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All Technical Service Bulletins for Heater Core: > < A/C - Evaporator Odor|Page 3220
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Heater Core: Customer Interest
A/C - Gurgling (Water Rushing) Noise From Heater Core

REFERENCE

ENGINE

NUMBER

029

DATE

11-25-88

MODEL

VN

TITLE    GURGLING (WATER RUSHING) NOISE FROM HEATER CORE

To prevent the gurgling (water rushing) noise from the heater core due to air being trapped in the system, the following production change has been
adopted. (See following illustrations).
PRODUCTION CHANGE EFFECTIVE:

Starting VIN:

Starting Date:

JT#VN62##K0026731

August, 1988

JT#VN66##K0026731

August, 1988

PART NUMBER INFORMATION:

Part Name

Prev P/N

New P/N

Hose, Water By-Pass, No. 1

16261-65010

16261-65011

Outlet, Water

16331-65010

16331-65011

FIELD FIX INFORMATION/PROCEDURE:

For field fix of 4 x 4 V-6 vehicles produced before the production change, install both by-pass hose and water outlet as a set.

All Technical Service Bulletins for Heater Core: > < A/C - Evaporator Odor|Page 3220